Android differences between signed and unsigned .apk files?

How many difference between signed and unsigned .apk files in android?

I know only one when i integrate in-app purchase i have unsigned .apk its gives me error
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    is there any other Diffrences ?

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  • 2 Solutions collect form web for “Android differences between signed and unsigned .apk files?”

    the signed apk will contain an extra folder “META-INF”, which contains three files:

    2. CERT.SF
    3. CERT.RSA

    If you send unsigned apk to customer, they have to enable Unknown sources to be able to install the app. Also Google Play Console doesn’t accept unsigned one.

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